Dual wall composting bin



FIG. 1 is a perspective view of the dual wall composting bin showing mynew design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top elevational view thereof; and,

FIG. 4 is a bottom elevational view thereof.

The broken lines shown in the drawings are included for the purpose ofillustrating portions of the dual wall composting bin which form no partof the claimed design.

CLAIM The ornamental design for the dual wall composting bin, as shownand described.